Common dolphins (Delphinus delphis) and Cory's sheerwaters (Calonectris diomedea) preying on blue jack mackerel (Trachurus picturatus), Azores, Portugal, Atlantic, Europe

travel destination photography color image horizontal day outdoors nature natural world animals birds fish fishes marine life underwater sea seas ocean oceans water mackerel dolphins groups corys sheerwaters sheerwaters blue jack blue jack mackerel hunting shoals schooling defence defensive calonectris diomedea trachurus picturatus